McCoy's return to his former team and home state was a big part of that, but before the game, McCoy made headlines by declaring that then-Eagles coach Chip Kelly couldn't "shake s---" if the two met at any point for a handshake.

Almost a year later, McCoy and Kelly will cross paths Sunday when the Bills host the San Francisco 49ers at New Era Field. At this point, any acrimony seems to have dissipated.

"For sure, [that's] way behind me," McCoy said Wednesday. "I think it was more just the team [the Eagles] than Chip. Going back to my old team where I did so much there, you know I got there at 20 years old. You know I was there for quite some time so, so I think more it had to do with just going back home. You know my hometown is an hour away more than just dealing with Chip. So that’s game right here, it’s just a normal game that we want to win. Going 4-2, this is a big game for us."

Bills running back LeSean McCoy says he is more concerned about the potential of a 4-2 start than any contact with former coach Chip Kelly. AP Photo/Bill Wippert

McCoy, who reiterated that he has "no real issue" with Kelly, stopped short of saying he would now shake his hand after Sunday's game.

"I’m sure there’s people you work with that you don’t care to shake their hand and hold long conversations about your children and all that and different activities," he said. "But you work with them so, I have no problem with him."

Kelly praised McCoy before last December's contest and stood by his position Wednesday.

"My feelings haven't changed," the 49ers coach said on a conference call with Buffalo media. "I think LeSean is an outstanding football player and I enjoyed coaching LeSean in the two years that I had him in Philadelphia. He was extremely productive when he was there. So I don't have any expectations about what's going to go on at the game. We're just going to Buffalo to see if we can get a win. But I've got great respect for LeSean as a football player."